When Knighton is under attack by Jestro, <b>LEGO</b> Nexo Knights roll into action! Send out <b>The Fortrex</b>, the huge 2-in-1 rolling castle! Launch the Knight Cycle and Aero-Striker V1 to engage the Ash Attacker and Scurriers! Fold out the walls to reveal the hi-tech HQ and get your brief from Merlok 2.0, plan your next daring mission at the round table to stop Jestro taking the Book of Evil!